Property and Equipment, Net (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,215,620	$ 1,209,980	$ 1,218,489
Accumulated depreciation and depletion	783,222	773,121	740,823
Property and equipment, net	432,398	436,859	477,666
Equipment and vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	770,266	765,971	760,717
Quarry property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	170,442	170,442	180,506
Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	120,092	119,917	125,301
Building and leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	83,994	83,494	83,733
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 70,826	$ 70,156	$ 68,232